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Generalized Woodall primes of the form `n`•18ⁿ-1

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Reserved! This sequence is currently reserved by: Ryan Propper

Current data

Base :	18
Count :	19
Max `n` :	1,600,000
Date :	2023-04-29
Reserved :	Ryan PropperRyan Propper/Reserved

1, 2, 6, 8, 10, 28, 30, 39, 45, 112, 348, 380, 458, 585, 17559, 38751, 43346, 46984, 92711

History

2023-04-29: Checked to n = 1600000, Ryan Propper
2023-04-19: Reserved by Ryan Propper for 1000000≤n≤1600000
2023-04-10: Checked to n = 1000000, Ryan Propper
2023-04-01: Reserved by Ryan Propper for n≤1000000
2014-03-13: Checked to n = 25000, Steven Harvey
2010-11-01: Checked to n = 4000, Steven Harvey
2009-01-31: Found n = 92711, Mark Rodenkirch
2005-04-27: Found n = 46984, Peter Benson
2008-12: Found n = 43346, Mark Rodenkirch
2004-01-16: Found n = 38751, Steven Harvey
17559: Found n = 2002-08, Steven Harvey

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